Weather on September 15 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
September 15th in Glacier Bay National Park (via Juneau, AK) typically brings cool fall weather, with average highs around 57°F and lows near 44°F. Over 55 years of records, the warmest September 15th was in 1979 (55°F average), while the coldest was 1992 (44°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 67% of September 15th dates historically, with the wettest September 15th recording 2.87" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 58°F | 49°F | 0.71" | 0" |
| 2024 | 54°F | 50°F | 0.89" | 0" |
| 2023 | 58°F | 45°F | 0.03" | 0" |
| 2022 | 56°F | 48°F | 1.09" | 0" |
| 2021 | 56°F | 48°F | 0.97" | 0" |
| 2020 | 65°F | 30°F | 0" | 0" |
| 2019 | 66°F | 43°F | 0" | 0" |
| 2018 | 60°F | 33°F | 0" | 0" |
| 2017 | 58°F | 46°F | 0" | 0" |
| 2016 | 57°F | 52°F | 2.87" | 0" |
| 2015 | 51°F | 47°F | 1.37" | 0" |
| 2014 | 62°F | 46°F | 0.05" | 0" |
| 2013 | 64°F | 39°F | 0.25" | 0" |
| 2012 | 50°F | 47°F | 0.33" | 0" |
| 2011 | 57°F | 39°F | 0" | 0" |
| 2010 | 72°F | 38°F | 0" | 0" |
| 2009 | 54°F | 39°F | 0.03" | 0" |
| 2008 | 54°F | 49°F | 1.65" | 0" |
| 2007 | 56°F | 50°F | 0.81" | 0" |
| 2006 | 64°F | 30°F | 0" | 0" |
| 2005 | 63°F | 45°F | 0" | 0" |
| 2004 | 50°F | 44°F | 0.15" | 0" |
| 2003 | 54°F | 34°F | 0" | 0" |
| 2002 | 57°F | 47°F | 0.33" | 0" |
| 2001 | 55°F | 48°F | 1.02" | 0" |
| 2000 | 50°F | 43°F | 1.55" | 0" |
| 1999 | 52°F | 49°F | 1.12" | 0" |
| 1998 | 55°F | 37°F | 0.05" | 0" |
| 1997 | 67°F | 40°F | 0" | 0" |
| 1996 | 57°F | 41°F | 0.08" | 0" |
| 1995 | 59°F | 43°F | 0" | 0" |
| 1994 | 55°F | 51°F | 1.07" | 0" |
| 1993 | 63°F | 39°F | 0" | 0" |
| 1992 | 48°F | 39°F | 2.29" | 0" |
| 1991 | 53°F | 47°F | 0.61" | 0" |
| 1990 | 59°F | 46°F | 0.1" | 0" |
| 1989 | 58°F | 41°F | 0.36" | 0" |
| 1988 | 56°F | 39°F | 0" | 0" |
| 1987 | 56°F | 45°F | 0.36" | 0" |
| 1986 | 67°F | 39°F | 0" | 0" |
| 1985 | 53°F | 50°F | 1.78" | 0" |
| 1984 | 55°F | 50°F | 0.91" | 0" |
| 1983 | 52°F | 43°F | 0.1" | 0" |
| 1982 | 56°F | 50°F | 0.15" | 0" |
| 1981 | 55°F | 47°F | 1.04" | 0" |
| 1980 | 57°F | 49°F | 0.66" | 0" |
| 1979 | 62°F | 49°F | 0" | 0" |
| 1978 | 51°F | 46°F | 0.41" | 0" |
| 1977 | 61°F | 38°F | 0" | 0" |
| 1976 | 55°F | 48°F | 0.15" | 0" |
| 1975 | 52°F | 47°F | 0.38" | 0" |
| 1974 | 57°F | 50°F | 1.42" | 0" |
| 1973 | 60°F | 32°F | 0" | 0" |
| 1972 | 55°F | 47°F | 1.91" | 0" |
| 1971 | 53°F | 37°F | 0" | 0" |